Paving stone



FIG. 1 is a front perspective view of a paving stone in accordance with the design;

FIG. 2 is a left side elevational view of the design shown in FIG. 1;

FIG. 3 is a right side elevational view of the design shown in FIG. 1;

FIG. 4 is a top plan view of the design shown in FIG. 1;

FIG. 5 is a rear elevational view of the design shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the design shown in FIG. 1. 

I claim the ornamental design for a paving stone, as shown and described. 